Issued Patents 2011
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8039122 | Anthracene derivative, material for light emitting element, light emitting element, light emitting device, and electronic device | Sachiko Kawakami, Nobuharu Ohsawa, Harue Nakashima, Kumi Kojima, Satoshi Seo +1 more | 2011-10-18 |
| 8008489 | Quinoxaline derivative, and light-emitting element, light-emitting device, electronic device using the quinoxaline derivative | Sachiko Kawakami, Harue Nakashima, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2011-08-30 |
| 7951470 | Light emitting element, light emitting device, and lighting system | Atsushi Tokuda | 2011-05-31 |
| 7935854 | Stilbene derivative, light-emitting element, display apparatus, and electronic appliance | — | 2011-05-03 |
| 7931974 | Quinoxaline derivative, and light-emitting device, electronic device using the quinoxaline derivative | Nobuharu Ohsawa | 2011-04-26 |
| 7901792 | Quinoxaline derivative, and light emitting element, light emitting device, and electronic appliance using the same | Sachiko Kawakami, Nobuharu Ohsawa, Hideko Inoue, Satoshi Seo, Ryoji Nomura | 2011-03-08 |
| 7898171 | Stilbene derivatives, light-emitting element and light-emitting device | Harue Nakashima, Sachiko Kawakami, Nobuharu Ohsawa, Satoshi Seo, Ryoji Nomura | 2011-03-01 |
| 7880019 | Anthracene derivative, and light emitting element, light emitting device, and electronic device using the anthracene derivative | Harue Osaka, Sachiko Kawakami, Satoko Shitagaki | 2011-02-01 |